[GHC] #15330: Error message prints invisible kind arguments in a visible matter

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Thu Jul 5 20:28:32 UTC 2018


#15330: Error message prints invisible kind arguments in a visible matter
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:  8.8.1
       Component:  Compiler (Type    |              Version:  8.4.3
  checker)                           |
      Resolution:                    |             Keywords:  TypeInType
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Poor/confusing    |  Unknown/Multiple
  error message                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D4938
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by RyanGlScott):

 * status:  new => patch
 * differential:   => Phab:D4938


Comment:

 I quite like Simon's suggestion of reusing `IfaceTcArgs` (renaming it to
 `IfaceAppArgs`), so I implemented just that in Phab:D4938. In particular,
 I decided not to mess with any of this `@` or `VisDep` stuff for now—we
 can leave that in a future patch.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15330#comment:6>
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